程序包 org.apache.dubbo.remoting.etcd.jetcd

类 JEtcdClient

java.lang.Object

org.apache.dubbo.remoting.etcd.support.AbstractEtcdClient<JEtcdClient.EtcdWatcher>

org.apache.dubbo.remoting.etcd.jetcd.JEtcdClient

所有已实现的接口:

EtcdClient

public class JEtcdClient
extends AbstractEtcdClient<JEtcdClient.EtcdWatcher>

etcd3 client.

嵌套类概要

嵌套类

修饰符和类型	类	说明
class	JEtcdClient.EtcdWatcher

构造器概要

构造器

构造器	说明
JEtcdClient(URL url)

方法概要

修饰符和类型	方法	说明
List<String>	addChildWatcherListener(String path, JEtcdClient.EtcdWatcher etcdWatcher)
boolean	checkExists(String path)
JEtcdClient.EtcdWatcher	createChildWatcherListener(String path, ChildListener listener)
long	createLease(long second)	create new lease from specified second ,it should be waiting if failed.
long	createLease(long ttl, long timeout, TimeUnit unit)	create new lease from specified ttl second before waiting specified timeout.
void	delete(String path)	remove the specified from etcd registry.
void	doClose()
long	doCreateEphemeral(String path)
void	doCreatePersistent(String path)
io.grpc.ManagedChannel	getChannel()
List<String>	getChildren(String path)	find direct children directory, excluding path self, Never return null.
String	getKVValue(String key)	Get the value of the specified key.
boolean	isConnected()	test if current client is active.
boolean	put(String key, String value)	Put the key value pair to etcd
boolean	putEphemeral(String key, String value)	Put the key value pair to etcd (Ephemeral)
void	removeChildWatcherListener(String path, JEtcdClient.EtcdWatcher etcdWatcher)
void	revokeLease(long lease)	revoke specified lease, any associated path will removed automatically.

从类继承的方法 org.apache.dubbo.remoting.etcd.support.AbstractEtcdClient

addChildListener, addStateListener, close, create, createEphemeral, getChildListener, getSessionListeners, getUrl, removeChildListener, removeStateListener

从类继承的方法 java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

JEtcdClient

public JEtcdClient(URL url)

方法详细资料

doCreatePersistent

public void doCreatePersistent(String path)

指定者:

doCreatePersistent 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

doCreateEphemeral

public long doCreateEphemeral(String path)

指定者:

doCreateEphemeral 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

checkExists

public boolean checkExists(String path)

指定者:

checkExists 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

createChildWatcherListener

public JEtcdClient.EtcdWatcher createChildWatcherListener(String path,
                                                          ChildListener listener)

指定者:

createChildWatcherListener 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

addChildWatcherListener

public List<String> addChildWatcherListener(String path,
                                            JEtcdClient.EtcdWatcher etcdWatcher)

指定者:

addChildWatcherListener 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

removeChildWatcherListener

public void removeChildWatcherListener(String path,
                                       JEtcdClient.EtcdWatcher etcdWatcher)

指定者:

removeChildWatcherListener 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

getChildren

public List<String> getChildren(String path)

从接口复制的说明: EtcdClient

find direct children directory, excluding path self, Never return null.

参数:

path - the path to be found direct children.

返回:

direct children directory, contains zero element list if children directory not exists.

isConnected

public boolean isConnected()

从接口复制的说明: EtcdClient

test if current client is active.

返回:

true if connection is active else false.

createLease

public long createLease(long second)

从接口复制的说明: EtcdClient

create new lease from specified second ,it should be waiting if failed.

参数:

second - lease time (support second only).

返回:

lease id from etcd

createLease

public long createLease(long ttl,
                        long timeout,
                        TimeUnit unit)
                 throws InterruptedException,
                        ExecutionException,
                        TimeoutException

从接口复制的说明: EtcdClient

create new lease from specified ttl second before waiting specified timeout.

参数:

ttl - lease time (support second only).

timeout - the maximum time to wait

unit - the time unit of the timeout argument

返回:

lease id from etcd

抛出:

InterruptedException - if the current thread was interrupted while waiting

ExecutionException - if this future completed exceptionally

TimeoutException - if the wait timed out

delete

public void delete(String path)

从接口复制的说明: EtcdClient

remove the specified from etcd registry.

指定者:

delete 在接口中 EtcdClient

指定者:

delete 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

参数:

path - the path to be removed

revokeLease

public void revokeLease(long lease)

从接口复制的说明: EtcdClient

revoke specified lease, any associated path will removed automatically.

参数:

lease - to be removed lease

doClose

public void doClose()

指定者:

doClose 在类中 AbstractEtcdClient<JEtcdClient.EtcdWatcher>

getKVValue

public String getKVValue(String key)

从接口复制的说明: EtcdClient

Get the value of the specified key.

参数:

key - the specified key

返回:

null if the value is not found

put

public boolean put(String key,
                   String value)

从接口复制的说明: EtcdClient

Put the key value pair to etcd

参数:

key - the specified key

value - the paired value

返回:

true if put success

putEphemeral

public boolean putEphemeral(String key,
                            String value)

从接口复制的说明: EtcdClient

Put the key value pair to etcd (Ephemeral)

参数:

key - the specified key

value - the paired value

返回:

true if put success

getChannel

public io.grpc.ManagedChannel getChannel()